Last Updated: Fri, 30 Mar 2012 09:53
Charlton will be without Darel Russell for the visit of Leyton Orient.
On-loan Preston midfielder Russell starts a four-match ban after he was sent off during Saturday's 1-0 defeat at Huddersfield, his second red card of the season.
Bradley Pritchard, Dale Stephens or Andy Hughes will step into central midfield.
Manager Chris Powell otherwise has a full squad to choose from after skipper Johnnie Jackson and striker Danny Haynes returned to training this week.
Left-winger Jackson's fitness will be assessed after he missed the last two games with an Achilles knock and Haynes has shaken off a hamstring problem.
QPR loanee Lee Cook could make his debut against the side he had a spell with earlier this season.
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